Abstract
The enzymatic and acid hydrolysis have converted eight new starches into a range of chain lengths mainly including glucose, maltose, and maltodextrins as observed on TLC plates, irrespective to the starch variety and treatment. Results of the enzymatic hydrolysis have highlighted the possibility of the use of V4 and V64, which can be labelled as “dietary fibres”, to enhance the organoleptic qualities of foods and for fibre fortification of low-calorie products. Concerning V66 and V69, they have much relevant in food, textile and pharmaceutical applications. The acid hydrolysis showed that V73 is the best starch in the chemical industry for making environment-friendly products such as plastics. Because starch is a natural component that degrade quickly in normal composting condition, the whole studied starches could be advised for various utilizations in the food, textile, paper, biofuel, pharmaceutical and plastic industries for sustainable development.
Highlights
Orphan or neglected crops are categorized under main crop types such as, cereals, legumes, fruit and root crops
The results indicated that, up to 24 hours of incubation time, and irrespective of variety kind, native starches were less susceptible to enzymatic hydrolysis than the gelatinized ones
It could be conclude that the whole studied cassava starches have shown different hydrolysis pattern toward amolytic enzymes of the digestive fluid of the giant snail Achatina achatina, and hydrochloric acid. In their native form, the best enzymatic hydrolysis was observed with V73 as substrate (18.77 ± 1.03 × 10−2 UI/mg of proteins) while V64 and V4 recorded the lowest values of initial velocity of around 8 × 10−2 UI per mg of proteins
Summary
Orphan or neglected crops are categorized under main crop types such as, cereals, legumes, fruit and root crops. They are considered as staple food crops in many developing countries by contributing to the diet of a large portion of resource-poor consumers (Ravi et al 2010). The world food supply has been dependent on few of these crop plants mainly cereals. The cereal deficit to meet global food requirements has encouraged the diversification of crops for both food and non-food productions. In some tropical climate regions, root and tuber crops have got attention to contribute a part in feeding the world. In Africa for example, cassava was commonly referred to, as the cornerstone of food security
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